Home / 880,841.25-1,215,562.14-478,433.25

Finding the Fourth Proportional to 880,841.25, 1,215,562.14 and 478,433.25

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Solution

The fourth proportional to 880,841.25, 1,215,562.14 and 478,433.25 is: 660,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,841.25 : 1,215,562.14 = 478,433.25 : x
  2. Step 2: Convert to fraction form
    880,841.25/1,215,562.14 = 478,433.25/x
  3. Step 3: Cross multiply
    880,841.25x = 1,215,562.14 × 478,433.25
  4. Step 4: Simplify right side
    880,841.25x = 581,565,345,217.16
  5. Step 5: Solve for x
    x = 581,565,345,217.16/880,841.25
  6. Step 6: Final answer
    x = 660,238.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.